Finding the Fourth Proportional to 1,561,057.56, 2,154,923.60 and 949,406.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561,057.56 : 2,154,923.60 = 949,406.67 : x
2. Step 2: Convert to fraction form
   1,561,057.56/2,154,923.60 = 949,406.67/x
3. Step 3: Cross multiply
   1,561,057.56x = 2,154,923.60 × 949,406.67
4. Step 4: Simplify right side
   1,561,057.56x = 2,045,898,834,433.38
5. Step 5: Solve for x
   x = 2,045,898,834,433.38/1,561,057.56
6. Step 6: Final answer
   x = 1,310,585.14